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Efinaconazole, Impurities

4-desfluoro 4 (1,2,4-triazol) (R,S)-Efinaconazole Epoxide

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Out of Stock

CAS No.

: NA

Mol F.

: C14H13FN6O

Mol W.

: 300.29000000000002

Cat No.

: SA23600

Efinaconazole, Impurities

4-Desmethylene-4-hydroxymethyl-efinaconazole

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Out of Stock

CAS No.

: NA

Mol F.

: C18H24F2N4O2

Mol W.

: 366.41

Cat No.

: SA23606

Brimonidine, Impurities

4-Dimethylaminopyridine; Brimonidine Dimethyl Amino Pyridine

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Out of Stock

CAS No.

: 1122-58-3

Mol F.

: C7H10N2

Mol W.

: 122.17

Cat No.

: SA20727

Impurities, Osimertinib

4-Fluoro-2-methoxy-5-nitroaniline

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Out of Stock

CAS No.

: 1075705-01-9

Mol F.

: C7H7FN2O3

Mol W.

: 186.14

Cat No.

: SA44701

Impurities, Paroxetine

4-Fluoro-4’-formylbiphenyl

$100.00 25 mg

Out of Stock

CAS No.

: 60992-98-5

Mol F.

: C₁₃H₉FO

Mol W.

: 200.21

Cat No.

: SA18315

Cariprazine, Impurities

4-Hydroxy 2,3-Dichlorophenyl Cariprazine

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Out of Stock

CAS No.

: 1084891-95-1

Mol F.

: C‚Hƒ‚Cl‚N„O‚

Mol W.

: 443.41

Cat No.

: SA39708

Impurities, Raloxifene

4-Hydroxy benzothiophene Raloxifene

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Out of Stock

CAS No.

: 185416-01-7

Mol F.

: C28H27NO4S

Mol W.

: 473.58

Cat No.

: SA24912

Darunavir, Impurities

4-Hydroxy Darunavir

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Out of Stock

CAS No.

: 313682-97-2

Mol F.

: C27H37N3O8S

Mol W.

: 563.66

Cat No.

: SA39407

Donepezil, Impurities

4-Hydroxy Donepezil Impurity

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Out of Stock

CAS No.

: 197010-22-3

Mol F.

: C24H29NO4

Mol W.

: 395.49

Cat No.

: SA34317

Erlotinib, Impurities

4-Hydroxy Erlotinib

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Out of Stock

CAS No.

: 882420-22-6

Mol F.

: C22H23N3O5

Mol W.

: 409.44

Cat No.

: SA25201

Ethinylestradiol, Impurities

4-Hydroxy Ethinylestradiol

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Out of Stock

CAS No.

: 50394-90-6

Mol F.

: C20H24O3

Mol W.

: 312.4

Cat No.

: SA13126

Fingolimod, Impurities

4-Hydroxy Fingolimod Impurity

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Out of Stock

CAS No.

: 268557-51-3(HCl);162361-49-1(Base)

Mol F.

: C19H34ClNO3

Mol W.

: 359.93

Cat No.

: SA34504

Ibrutinib, Impurities

4-Hydroxy Ibrutinib

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Out of Stock

CAS No.

: 1288339-18-3

Mol F.

: C25H24N6O3

Mol W.

: 456.5

Cat No.

: SA47412

Impurities, Trimetazidine

4-Hydroxy Trimetazidine Impurity

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Out of Stock

CAS No.

Mol F.

: C13H20N2O3

Mol W.

: 252.31

Cat No.

: SA35111

Impurities, Trimethoprim

4-Hydroxy Trimethoprim

$495.00 25 mg

Out of Stock

CAS No.

: 112678-48-5

Mol F.

: C14H18N4O4

Mol W.

: 306.32

Cat No.

: SA27114

Impurities, Valsartan

4-Hydroxy Valsartan

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Out of Stock

CAS No.

: 188259-69-0

Mol F.

: C24H29N5O4

Mol W.

: 451.52

Cat No.

: SA33305

Allopurinol, Impurities

4-Hydroxy-1-phenylpyrazolo[3,4-d]pyrimidine

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Out of Stock

CAS No.

: 21314-17-0

Mol F.

: C11H8N4O

Mol W.

: 212.21

Cat No.

: SA28915

Impurities, Trimetazidine

4-hydroxy-2,3-dimethoxybenzaldehyde

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Out of Stock

CAS No.

: 69471-05-2

Mol F.

: C9H10O4

Mol W.

: 182.17

Cat No.

: SA35110

Impurities, Leflunomide

4-Hydroxy-Teriflunomide

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Out of Stock

CAS No.

: 1058722-45-4

Mol F.

: C12H9F3N2O3

Mol W.

: 286.20999999999998

Cat No.

: SA21813

Clomifene, Impurities

4-Hydroxy-α,β-diphenylbenzeneethanol

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Out of Stock

CAS No.

: 94549-25-4

Mol F.

: C20H18O2

Mol W.

: 290.35

Cat No.

: SA21711

Buildling Blocks

4-Hydroxycyclopent-2-enone

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Out of Stock

CAS No.

: 61305-27-9

Mol F.

: C5H6O2

Mol W.

: 98.1

Cat No.

: SB10601

Efinaconazole, Impurities

4-Hydroxymethyl-1-benzoyl Piperidine

Please enquire for price & pack size

Out of Stock

CAS No.

: 19980-00-8

Mol F.

: C13H17NO2

Mol W.

: 219.58

Cat No.

: SA23613

Impurities, Rilpivirine

4-Iodo-2,6-bis(methoxymethyl)aniline

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Out of Stock

CAS No.

: NA

Mol F.

: C10H14INO2

Mol W.

: 307.13

Cat No.

: SA25405

Impurities, Omeprazole

4-Methoxy-2-nitroaniline

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Out of Stock

CAS No.

: 96-96-8

Mol F.

: C7H8N2O3

Mol W.

: 168.15

Cat No.

: SA19401

Impurities, Ranolazine

4-Methoxyphenol

Please enquire for price & pack size

Out of Stock

CAS No.

: 150-76-5

Mol F.

: C7H8O2

Mol W.

: 124.14

Cat No.

: SA26810

Apixaban, Impurities

4-Methoxyphenylhydrazine Hydrochloride

Please enquire for price & pack size

Out of Stock

CAS No.

: 19501-58-7

Mol F.

: C7H10N2O·HCl

Mol W.

: 174.63

Cat No.

: SA39927

Apixaban, Impurities

4-Methyl-5-chlorovaleroyl Chloride

Please enquire for price & pack size

Out of Stock

CAS No.

: 813452-05-0

Mol F.

: C6H10Cl2O

Mol W.

: 169.05

Cat No.

: SA39956

Impurities, Pazopanib

4-Methyloxidoamino Pazopanib

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Out of Stock

CAS No.

: 1821666-73-2

Mol F.

: C21H23N7O3S

Mol W.

: 453.5

Cat No.

: SA51316

Impurities, Lenalidomide

4-Nitro Lenalidomide Impurity

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Out of Stock

CAS No.

: 827026-45-9

Mol F.

: C13H11N3O5

Mol W.

: 289.24

Cat No.

: SA34105

Impurities, Sulfamethoxazole

4-Nitro Sulfamethoxazole

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Out of Stock

CAS No.

: 29699-89-6

Mol F.

: C10H9N3O5S

Mol W.

: 283.26

Cat No.

: SA25508

Impurities, Sulfamethoxazole

4-Nitroso Sulfamethoxazole

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Out of Stock

CAS No.

: 131549-85-4

Mol F.

: C10H9N3O4S

Mol W.

: 267.26

Cat No.

: SA25507

Ezetimibe, Impurities

4-O-Methylphenyl Ezetimibe Ketone

Please enquire for price & pack size

Out of Stock

CAS No.

: 190595-65-4

Mol F.

: C31H25F2NO3

Mol W.

: 497.53

Cat No.

: SA14848

Dolutegravir, Impurities

4-Oxo-3-[(phenylmethyl)oxy]-4H-pyran-2-carboxylic Acid

Please enquire for price & pack size

Out of Stock

CAS No.

: 119736-16-2

Mol F.

: C13H10O5

Mol W.

: 246.22

Cat No.

: SA20225

Dolutegravir, Impurities

4-Oxo-4H-pyran-2,5-dicarboxylic Acid 2,5-Diethyl Ester

Please enquire for price & pack size

Out of Stock

CAS No.

: 1246616-74-9

Mol F.

: C11H12O6

Mol W.

: 240.21

Cat No.

: SA20226

Apixaban, Impurities

4-Pentenoyl chloride

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Out of Stock

CAS No.

: 39716-58-0

Mol F.

: C5H7ClO

Mol W.

: 118.56

Cat No.

: SA39957

Bosentan, Impurities

4-tert-Butylbenzenesulfonamide

Please enquire for price & pack size

Out of Stock

CAS No.

: 6292-59-7

Mol F.

: C10H15NO2S

Mol W.

: 213.3

Cat No.

: SA28604

Gemcitabine, Impurities

4,4-Difluoro-2-(hydroxymethyl)-5-oxotetrahydrofuran-3-yl benzoate

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C12H10F2O5

Mol W.

: 272.2

Cat No.

: SA44510

Epinephrine, Impurities

4,4′-(Piperazine-2,5-diyl)dibenzene-1,2-diol

Please enquire for price & pack size

Out of Stock

CAS No.

Mol F.

: C16H18N2O4

Mol W.

: 302.33

Cat No.

: SA46500

Impurities, Sulfamethoxazole

4,4’-Azoxybis[N-(5-methyl-3-isoxazolyl)-benzenesulfonamide

Please enquire for price & pack size

Out of Stock

CAS No.

: 119403-03-1

Mol F.

: C20H18N6O7S2

Mol W.

: 518.52

Cat No.

: SA25509

Dapsone, Impurities

4,4’-Dichlorodiphenyl Sulfone

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Out of Stock

CAS No.

: 80-07-9

Mol F.

: C12H8Cl2O2S2

Mol W.

: 287.16

Cat No.

: SA27012

Impurities, Prednisone

4,5-Dihydro Prednisone

Please enquire for price & pack size

Out of Stock

CAS No.

: 103881-93-2

Mol F.

: C21H28O5

Mol W.

: 360.44

Cat No.

: SA26210

Intermediates

4,5-Dimethyl-1,3-dioxol-2-one

Please enquire for price & pack size

Out of Stock

CAS No.

: 37830-90-3

Mol F.

: C…H†Oƒ

Mol W.

: 114.1

Cat No.

: SRC900036

Impurities, Topiramate

4,5-O-(1-Methylethylidene)-β-D-fructopyranose

Please enquire for price & pack size

Out of Stock

CAS No.

: 912456-61-2

Mol F.

: C9H16O6

Mol W.

: 220.22

Cat No.

: SA45513

Edoxaban, Impurities

4,5,6,7-Tetrahydrothiazolo[4,5-c]pyridin-2-amine

Please enquire for price & pack size

Out of Stock

CAS No.

: 1781640-92-3

Mol F.

: C6H9N3S

Mol W.

: 155.22

Cat No.

: SA33050

Impurities, Vericiguat

4,6-Diamino-2-(5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-((methoxycarbonyl)amino)pyrimidine 1-oxide

Please enquire for price & pack size

Out of Stock

CAS No.

Mol F.

: C19H16F2N8O3

Mol W.

: 442.4

Cat No.

: SA50705

Allopurinol, Impurities

4,6-Dihydroxypyrazolo[3,4-d]pyrimidine

Please enquire for price & pack size

Out of Stock

CAS No.

: 2465-59-0

Mol F.

: C5H4N4O2

Mol W.

: 152.11

Cat No.

: SA28912

Allopurinol, Impurities

4,6-Dimethoxy-1H-pyrazolo[3,4-d]pyrimidine

Please enquire for price & pack size

Out of Stock

CAS No.

: 98277-30-6

Mol F.

: C7H8N4O2

Mol W.

: 180.16

Cat No.

: SA28914

Hydroxychloroquine, Impurities

4,7-Dichloroquine

Please enquire for price & pack size

Out of Stock

CAS No.

: 58175-86-3

Mol F.

: C18H26ClN3

Mol W.

: 319.87

Cat No.

: SA23803

Impurities, Pregabalin

4,9-Diisobutyl-1,6-diazecane-2,7-dione

$395.00 25 mg

Out of Stock

CAS No.

: 1990538-03-8

Mol F.

: C16H30N2O2

Mol W.

: 282.42

Cat No.

: SA24832

Impurities, Telmisartan

4′-((5-Chloro-1,7′-dimethyl-2′-propyl-1H,3’H-[2,5′-bibenzo[d]imidazol]-3′-yl)methyl)-[1,1′-biphenyl]-2-carboxylic Acid;4′-[(5-Chloro-1,7′-dimethyl-2′-propyl-1H,3’H-[2,5′-bibenzimidazol]-3′-yl)methyl][1,1′-biphenyl]-2-carboxylic Acid

Please enquire for price & pack size

Out of Stock

CAS No.

: 885045-90-9

Mol F.

: C33H29ClN4O2

Mol W.

: 549.06

Cat No.

: SA33921

Product Categories

Products / Reference Standards / API Impurities / API Related Compounds / Pharmaceutical Standards

Please click on the respective API letter

Efinaconazole, Impurities

4-desfluoro 4 (1,2,4-triazol) (R,S)-Efinaconazole Epoxide

CAS No.

: NA

Mol F.

: C14H13FN6O

Mol W.

: 300.29000000000002

Cat No.

: SA23600

Efinaconazole, Impurities

4-Desmethylene-4-hydroxymethyl-efinaconazole

CAS No.

: NA

Mol F.

: C18H24F2N4O2

Mol W.

: 366.41

Cat No.

: SA23606

Brimonidine, Impurities

4-Dimethylaminopyridine; Brimonidine Dimethyl Amino Pyridine

CAS No.

: 1122-58-3

Mol F.

: C7H10N2

Mol W.

: 122.17

Cat No.

: SA20727

Impurities, Osimertinib

4-Fluoro-2-methoxy-5-nitroaniline

CAS No.

: 1075705-01-9

Mol F.

: C7H7FN2O3

Mol W.

: 186.14

Cat No.

: SA44701

Impurities, Paroxetine

4-Fluoro-4’-formylbiphenyl

CAS No.

: 60992-98-5

Mol F.

: C₁₃H₉FO

Mol W.

: 200.21

Cat No.

: SA18315

Cariprazine, Impurities

4-Hydroxy 2,3-Dichlorophenyl Cariprazine

CAS No.

: 1084891-95-1

Mol F.

: C‚Hƒ‚Cl‚N„O‚

Mol W.

: 443.41

Cat No.

: SA39708

Impurities, Raloxifene

4-Hydroxy benzothiophene Raloxifene

CAS No.

: 185416-01-7

Mol F.

: C28H27NO4S

Mol W.

: 473.58

Cat No.

: SA24912

Darunavir, Impurities

4-Hydroxy Darunavir

CAS No.

: 313682-97-2

Mol F.

: C27H37N3O8S

Mol W.

: C‚Hƒ‚Cl‚N„O‚